Danfoss DHP-H Installation Guide

6.7.4 System solution 3
N
If necessary the external components must be fused using accessory 086U9685 FUSE TO EXTERNAL COMPO-
NENT according to the installation instructions supplied with the accessory. The tables below give the compo-
nents referred to.
For system solution 3, select the following in menu SERVICE\AUX. HEATER\EXT.AUX.HEATER:
▪
EXT.AUX.HEATER = ON
▪
REV.V. HOT WATER = EXT
For DHP-H, DHP-H Opti, DHP-C Opti the electrical connection for system solution 3 must be carried out according to the following table:
Component Connection
Internal immersion heater I/O-card, output for 6 kW (normal connection)
External auxiliary heater I/O-card, output for 3 kW, connected and fused with 086U9685
Additional shunt Terminal block, 215/216
External exchange valve I/O-card, 214 kW, connected and fused with 086U9685
For DHP-L, DHP-L Opti the electrical connection for system solution 3 must be carried out according to the following table:
Component
Connection
Internal immersion heater I/O-card, output for 6 kW (normal connection)
External auxiliary heater Terminal block 210, connected and fused with 086U9685
Additional shunt Terminal block, 215/216
External exchange valve I/O-card, 214 kW, connected and fused with 086U9685
For DHP-A,DHP-A Opti, the electrical connection for system solution 3 must be carried out according to the following table:
Component
Connection
Internal immersion heater I/O-card, output for 3 kW and 6 kW as well as Defrost card, output for 6 kW (normal connections)
External auxiliary heater Defrost card; 283, connected and fused with 086U9685
Additional shunt Terminal block, 215/216
External exchange valve I/O-card, 214 kW, connected and fused with 086U9685
For system solution 3, the heat pump's integrated exchange valve must be limited in open mode to the heating system.
To limit the direction of flow for the exchange valve for the heating system, carry out the following procedure:
1. Check that the main circuit breaker is on.
2. Open the SERVICE menu by pressing and holding the left button in for five seconds.
3. Open the control computer menu SERVICE -> MANUAL TEST.
4. Set the value for MANUAL TEST to 1.
5. Set the value for REV.V. HOT WATER to 0.
6. Wait at least 15 seconds, disconnect the quick connector at the exchange valve.
7. Set the value for MANUAL TEST back to 0.
8. Connect the external exchange valve cables according to the tables above.
9. Move the supply line sensor out to the position shown in the diagram for Example system solution 1.
Installation Guide
Domestic heat pumps
Danfoss Heating Solutions VMGFQ102
37

Danfoss DHP-H Specifications

General

Brand	Danfoss
Model	DHP-H
Category	Heat Pump
Language	English